Products tagged with 'vaillant heat exchanger'

Genuine Vaillant Domestic Hot Water Heat Exchanger 0020025041 for ecoTEC Plus 837 and ecoTEC Plus 937 combi boilers. This secondary heat exchanger transfers heat between heating and hot water systems for efficient domestic hot water performance.

Genuine Vaillant Domestic Hot Water 13 Plate Heat Exchanger 0020020018 for compatible Vaillant combi boilers. This replacement secondary heat exchanger transfers heat between heating and hot water systems for reliable hot water performance.